Add memory_manager source files and tests

src/memory_manager/core/services.py

@@ -1,6 +1,10 @@
-"""Core services for memory management."""
-from typing import List, Optional
-from memory_manager.db.models import MemoryCategory, MemoryEntry, Commit
+"""Core business logic services for the memory manager."""
+
+import hashlib
+import os
+from typing import Any
+
+from memory_manager.db.models import MemoryCategory
 from memory_manager.db.repository import MemoryRepository
 
 
@@ -12,122 +16,195 @@ class MemoryService:
         self,
         title: str,
         content: str,
-        category: str,
-        tags: List[str],
-        agent_id: str = "unknown",
-        project_path: str = ".",
-        parent_id: Optional[int] = None,
-    ) -> MemoryEntry:
-        category_enum = MemoryCategory(category)
-        return await self.repository.create_entry(
+        category: str | MemoryCategory,
+        tags: list[str] | None = None,
+        agent_id: str | None = None,
+        project_path: str | None = None,
+    ) -> dict[str, Any]:
+        if isinstance(category, str):
+            category = MemoryCategory(category)
+
+        agent_id = agent_id or os.getenv("AGENT_ID", "unknown") or "unknown"
+        project_path = project_path or os.getenv("MEMORY_PROJECT_PATH", ".") or "."
+
+        entry = await self.repository.create_entry(
             title=title,
             content=content,
-            category=category_enum,
-            tags=tags,
+            category=category,
+            tags=tags or [],
             agent_id=agent_id,
             project_path=project_path,
-            parent_id=parent_id,
         )
+        return entry.to_dict()
 
-    async def get_entry(self, entry_id: int) -> Optional[MemoryEntry]:
-        return await self.repository.get_entry(entry_id)
-
-    async def list_entries(
-        self,
-        category: Optional[str] = None,
-        agent_id: Optional[str] = None,
-        limit: int = 100,
-        offset: int = 0,
-    ) -> List[MemoryEntry]:
-        category_enum = MemoryCategory(category) if category else None
-        return await self.repository.list_entries(
-            category=category_enum,
-            agent_id=agent_id,
-            limit=limit,
-            offset=offset,
-        )
+    async def get_entry(self, entry_id: int) -> dict[str, Any] | None:
+        entry = await self.repository.get_entry(entry_id)
+        return entry.to_dict() if entry else None
 
     async def update_entry(
         self,
         entry_id: int,
-        title: Optional[str] = None,
-        content: Optional[str] = None,
-        category: Optional[str] = None,
-        tags: Optional[List[str]] = None,
-    ) -> Optional[MemoryEntry]:
-        category_enum = MemoryCategory(category) if category else None
-        return await self.repository.update_entry(
+        title: str | None = None,
+        content: str | None = None,
+        category: str | MemoryCategory | None = None,
+        tags: list[str] | None = None,
+    ) -> dict[str, Any] | None:
+        if category is not None and isinstance(category, str):
+            category = MemoryCategory(category)
+
+        entry = await self.repository.update_entry(
             entry_id=entry_id,
             title=title,
             content=content,
-            category=category_enum,
+            category=category,
             tags=tags,
         )
+        return entry.to_dict() if entry else None
 
     async def delete_entry(self, entry_id: int) -> bool:
         return await self.repository.delete_entry(entry_id)
 
-    async def search_entries(
+    async def list_entries(
+        self,
+        category: str | MemoryCategory | None = None,
+        agent_id: str | None = None,
+        project_path: str | None = None,
+        limit: int = 100,
+        offset: int = 0,
+    ) -> list[dict[str, Any]]:
+        if category is not None and isinstance(category, str):
+            category = MemoryCategory(category)
+
+        entries = await self.repository.list_entries(
+            category=category,
+            agent_id=agent_id,
+            project_path=project_path,
+            limit=limit,
+            offset=offset,
+        )
+        return [entry.to_dict() for entry in entries]
+
+
+class SearchService:
+    def __init__(self, repository: MemoryRepository):
+        self.repository = repository
+
+    async def search(
         self,
         query: str,
-        category: Optional[str] = None,
-        tags: Optional[List[str]] = None,
-    ) -> List[MemoryEntry]:
-        category_enum = MemoryCategory(category) if category else None
-        return await self.repository.search_entries(
-            query=query,
-            category=category_enum,
-            tags=tags,
+        category: str | MemoryCategory | None = None,
+        agent_id: str | None = None,
+        project_path: str | None = None,
+        limit: int = 100,
+    ) -> list[dict[str, Any]]:
+        if category is not None and isinstance(category, str):
+            category = MemoryCategory(category)
+
+        entries = await self.repository.search_entries(
+            query_text=query,
+            category=category,
+            agent_id=agent_id,
+            project_path=project_path,
+            limit=limit,
         )
+        return [entry.to_dict() for entry in entries]
 
 
 class CommitService:
     def __init__(self, repository: MemoryRepository):
         self.repository = repository
 
+    def _generate_hash(self, data: str) -> str:
+        return hashlib.sha1(data.encode()).hexdigest()
+
     async def create_commit(
         self,
         message: str,
-        agent_id: str = "unknown",
-        project_path: str = ".",
-    ) -> Commit:
-        return await self.repository.create_commit(
+        agent_id: str | None = None,
+        project_path: str | None = None,
+    ) -> dict[str, Any]:
+        agent_id = agent_id or os.getenv("AGENT_ID", "unknown") or "unknown"
+        project_path = project_path or os.getenv("MEMORY_PROJECT_PATH", ".") or "."
+
+        snapshot = await self.repository.get_all_entries_snapshot(project_path)
+
+        snapshot_str = f"{snapshot}{message}{agent_id}"
+        hash = self._generate_hash(snapshot_str)
+
+        commit = await self.repository.create_commit(
+            hash=hash,
             message=message,
             agent_id=agent_id,
             project_path=project_path,
+            snapshot=snapshot,
         )
+        return commit.to_dict()
 
-    async def get_commits(self, limit: int = 50) -> List[Commit]:
-        return await self.repository.get_commits(limit=limit)
+    async def get_commit(self, hash: str) -> dict[str, Any] | None:
+        commit = await self.repository.get_commit(hash)
+        return commit.to_dict() if commit else None
 
-    async def get_commit(self, commit_hash: str) -> Optional[Commit]:
-        return await self.repository.get_commit(commit_hash)
+    async def list_commits(
+        self,
+        agent_id: str | None = None,
+        project_path: str | None = None,
+        limit: int = 100,
+        offset: int = 0,
+    ) -> list[dict[str, Any]]:
+        commits = await self.repository.list_commits(
+            agent_id=agent_id,
+            project_path=project_path,
+            limit=limit,
+            offset=offset,
+        )
+        return [commit.to_dict() for commit in commits]
 
-    async def diff_commits(self, hash1: str, hash2: str) -> dict:
-        entries1 = await self.repository.get_commit_entries(hash1)
-        entries2 = await self.repository.get_commit_entries(hash2)
+    async def diff(self, hash1: str, hash2: str) -> dict[str, Any] | None:
+        commit1 = await self.repository.get_commit(hash1)
+        commit2 = await self.repository.get_commit(hash2)
 
-        snapshot1 = {e.memory_entry_id: e.entry_snapshot for e in entries1}
-        snapshot2 = {e.memory_entry_id: e.entry_snapshot for e in entries2}
+        if not commit1 or not commit2:
+            return None
+
+        snapshot1 = {entry["id"]: entry for entry in commit1.snapshot}
+        snapshot2 = {entry["id"]: entry for entry in commit2.snapshot}
 
         all_ids = set(snapshot1.keys()) | set(snapshot2.keys())
-        diff_result = {
-            "hash1": hash1,
-            "hash2": hash2,
-            "added": [],
-            "removed": [],
-            "modified": [],
-        }
+
+        added = []
+        removed = []
+        modified = []
 
         for entry_id in all_ids:
             if entry_id not in snapshot1:
-                diff_result["added"].append(snapshot2[entry_id])
+                added.append(snapshot2[entry_id])
             elif entry_id not in snapshot2:
-                diff_result["removed"].append(snapshot1[entry_id])
-            elif snapshot1[entry_id] != snapshot2[entry_id]:
-                diff_result["modified"].append({
-                    "before": snapshot1[entry_id],
-                    "after": snapshot2[entry_id],
-                })
+                removed.append(snapshot1[entry_id])
+            else:
+                if snapshot1[entry_id] != snapshot2[entry_id]:
+                    modified.append({
+                        "before": snapshot1[entry_id],
+                        "after": snapshot2[entry_id],
+                    })
 
-        return diff_result
+        return {
+            "commit1": commit1.to_dict(),
+            "commit2": commit2.to_dict(),
+            "added": added,
+            "removed": removed,
+            "modified": modified,
+        }
+
+
+class MemoryManager:
+    def __init__(self, repository: MemoryRepository):
+        self.repository = repository
+        self.memory_service = MemoryService(repository)
+        self.search_service = SearchService(repository)
+        self.commit_service = CommitService(repository)
+
+    async def initialize(self) -> None:
+        await self.repository.initialize()
+
+    async def close(self) -> None:
+        await self.repository.close()